Piechotta V, Jakob T, Langer P, Monsef I, Scheid C, Estcourt LJ, Ocheni S, Theurich S, Kuhr K, Scheckel B, et al. Multiple drug combinations of bortezomib, lenalidomide, and thalidomide for first-line treatment in adults with transplant-ineligible multiple myeloma: a network meta-analysis. Cochrane Database Syst Rev. 2019;2019(11).